Basic Formulas of Mixture and Alligation
The following are the formulas relevant to Mixture and Alligation questions:
S.No  To Calculate  Formulas 

1 
Ratio of two quantities 
Quantity of cheaper/ Quantity of dearer) = ((Cost price of Dearer Mean price) / (Mean price – cost price of the cheaper)) 
2 
Ratio and the mean or average price or quantity 

3 
Repeated dilutions (finding the quantity of pure element after ‘n’ replacements) 
P x [1 – (R / P)]^n, where 
Quick Tip: Do you know? You can learn Mixture and Alligation formulas quickly if you first understand the fundamental concepts of Mixture and Alligation.
The below example will be helpful in conceptual understanding of Mixture and Alligation formulas
FAQsFAQs
How do you benefit from learning Mixture and Alligation formulas?
One of the significant benefits of understanding Mixture and Alligation formulas is the capability to quickly and accurately address simple formulabased questions.
How to remember Mixture and Alligation formulas for a longer time?
Following are the techniques you can use to memorise Mixture and Alligation formulas:
For a start, you can start understanding theconcepts of the Mixture and Alligation. It will help you find out why a formula is used.
Keep a separate piece of paper and write down each formula on the Mixture and Alligation topic you need to memorise.
Write down and examine each Mixture and Alligation formula, but this time with intervals. Write the equation, then take a 2minute break to think about it before writing it again.
Your memory is more likely to associate with the formula you want to remember if you use it more often. Solve the problems employing the formula.
Visualise and repeat out loud the formula occasionally. Create Mixture and Alligation formulas flashcards to help with this. You can also use these flashcards while practicing the Mixture and Alligation questions.
The formula should be written down and posted somewhere you will see daily. They'll be subconsciously imprinted into your memory.
How conceptual understanding of Mixture and Alligation topic helps in remembering its formulas?
Conceptual understanding will help you to make sense of the Mixture and Alligation formulas. Conceptual understanding is concentrated on describing why things happen as opposed to how to make them happen. They help you understand the true motive for employing the Mixture and Alligation formulas.